145235020 has 36 divisors (see below), whose sum is σ = 354790800. Its totient is φ = 49794528.

The previous prime is 145235003. The next prime is 145235021. The reversal of 145235020 is 20532541.

145235020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145235020² = 42186422068800800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145234982 and 145235000.

It is not an unprimeable number, because it can be changed into a prime (145235021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73120 + ... + 75079.

It is an arithmetic number, because the mean of its divisors is an integer number (9855300).

Almost surely, 2^145235020 is an apocalyptic number.

145235020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145235020 is an abundant number, since it is smaller than the sum of its proper divisors (209555780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145235020 is a wasteful number, since it uses less digits than its factorization.

145235020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148222 (or 148213 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 145235020 is about 12051.3493020491. The cubic root of 145235020 is about 525.6424727077.

Adding to 145235020 its reverse (20532541), we get a palindrome (165767561).

The spelling of 145235020 in words is "one hundred forty-five million, two hundred thirty-five thousand, twenty".